DE69611236D1 - Verfahren und zusammensetzung zum deinken von altpapier - Google Patents

Verfahren und zusammensetzung zum deinken von altpapier

Info

Publication number
DE69611236D1
DE69611236D1 DE69611236T DE69611236T DE69611236D1 DE 69611236 D1 DE69611236 D1 DE 69611236D1 DE 69611236 T DE69611236 T DE 69611236T DE 69611236 T DE69611236 T DE 69611236T DE 69611236 D1 DE69611236 D1 DE 69611236D1
Authority
DE
Germany
Prior art keywords
composition
surfactant
thinking
old paper
waste paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69611236T
Other languages
English (en)
Other versions
DE69611236T2 (de
Inventor
J Sutman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suez WTS USA Inc
Original Assignee
BetzDearborn Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BetzDearborn Inc filed Critical BetzDearborn Inc
Application granted granted Critical
Publication of DE69611236D1 publication Critical patent/DE69611236D1/de
Publication of DE69611236T2 publication Critical patent/DE69611236T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • D21C5/027—Chemicals therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling
DE1996611236 1995-05-02 1996-04-19 Verfahren und zusammensetzung zum deinken von altpapier Expired - Fee Related DE69611236T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/432,738 US5660683A (en) 1995-05-02 1995-05-02 Process for deinking waste paper using a mixture of thiol ethoxylate and alcohol alkoxylates
PCT/US1996/005576 WO1996035014A1 (en) 1995-05-02 1996-04-19 Process and composition for deinking waste paper

Publications (2)

Publication Number Publication Date
DE69611236D1 true DE69611236D1 (de) 2001-01-18
DE69611236T2 DE69611236T2 (de) 2001-05-23

Family

ID=23717407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996611236 Expired - Fee Related DE69611236T2 (de) 1995-05-02 1996-04-19 Verfahren und zusammensetzung zum deinken von altpapier

Country Status (13)

Country Link
US (1) US5660683A (de)
EP (1) EP0823949B1 (de)
JP (1) JPH11504992A (de)
KR (1) KR19980701977A (de)
AT (1) ATE198084T1 (de)
AU (1) AU700347B2 (de)
CA (1) CA2208782A1 (de)
DE (1) DE69611236T2 (de)
DK (1) DK0823949T3 (de)
ES (1) ES2152525T3 (de)
NO (1) NO974980D0 (de)
TW (1) TW334486B (de)
WO (1) WO1996035014A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6562194B1 (en) * 2000-03-30 2003-05-13 Calgon Corporation Method of creping paper webs
US6544383B2 (en) * 2000-08-07 2003-04-08 Kao Specialties Americas Flotation deinking process
JP2002069876A (ja) * 2000-08-22 2002-03-08 Nippon Paper Industries Co Ltd 古紙の脱墨方法
JP4604962B2 (ja) * 2005-10-28 2011-01-05 王子製紙株式会社 高白色度脱墨パルプの製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4618400A (en) * 1984-12-28 1986-10-21 Shell Oil Company Wastepaper deinking process
JPS61186592A (ja) * 1985-02-13 1986-08-20 栗田工業株式会社 脱墨剤
US5024821A (en) * 1990-02-28 1991-06-18 Ici Americas Inc. Solvent extraction process
FI913447A (fi) * 1990-12-28 1992-06-29 Kao Corp Deinkingsfoerfarande och deinkingssammansaettning.
US5200034A (en) * 1991-04-25 1993-04-06 Betz Paperchem, Inc. Use of surfactants having an HLB less than 10 in the deinking of dry toner electrostatic printed wastepaper
US5248388A (en) * 1991-04-25 1993-09-28 Betz Paperchem, Inc. Use of surfactants having an HLB less than 10 in the deinking of dry toner electrostatic printed wastepaper
US5417808A (en) * 1991-08-30 1995-05-23 Lion Corporation Deinking composition for flotation and deinking method
US5417807A (en) * 1993-05-27 1995-05-23 Kao Corporation Deinking formulation for flexographic inks

Also Published As

Publication number Publication date
NO974980L (no) 1997-10-29
DK0823949T3 (da) 2001-01-02
ES2152525T3 (es) 2001-02-01
JPH11504992A (ja) 1999-05-11
AU5666196A (en) 1996-11-21
DE69611236T2 (de) 2001-05-23
US5660683A (en) 1997-08-26
TW334486B (en) 1998-06-21
CA2208782A1 (en) 1996-11-07
AU700347B2 (en) 1999-01-07
NO974980D0 (no) 1997-10-29
KR19980701977A (ko) 1998-06-25
EP0823949A1 (de) 1998-02-18
ATE198084T1 (de) 2000-12-15
EP0823949B1 (de) 2000-12-13
WO1996035014A1 (en) 1996-11-07

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BARRIER et al. Economics of disposal of lime/limestone scrubbing wastes: Sludge/flyash blending and gypsum systems[Final Report, Jun. 1977- May 1978]
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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee